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Traumatic intracranial subdural hematoma

Last edited: 4/14/2026

Overview

Traumatic intracranial subdural hematoma (SDH) is a common neurosurgical emergency resulting from trauma-induced bleeding between the dural layers and the brain surface, often leading to increased intracranial pressure and neurological deficits 2.

Diagnosis

  • Clinical Presentation: Altered mental status, focal neurological deficits, headache, and vomiting 2.
  • Imaging: CT scan is essential for diagnosis, showing crescent-shaped hyperdense collections over the cerebral convexities 2.
  • Grading: Not explicitly detailed in provided abstracts; typically graded based on size and associated mass effect 2.
  • Management

  • Surgical Evacuation: Endoscopic-assisted keyhole surgery for subacute SDH shows reduced operative time and blood loss compared to traditional open surgery 2.
  • Minimally Invasive Techniques: Endoscopic methods can be effective for hematoma evacuation, offering advantages in terms of reduced surgical trauma 2.
  • No Specific Pharmacological Treatment Mentioned: Abstracts do not provide specific drug recommendations for SDH management 25.
  • Special Populations

  • No Specific Guidelines Provided: The abstracts do not cover management specifics for pregnancy, pediatrics, elderly, or patients with comorbidities 235.
  • Key Recommendations

  • Consider Endoscopic Techniques for Evacuation: Endoscopic-assisted surgery can significantly reduce operative time and blood loss in subacute traumatic SDH evacuation (Evidence: Moderate 2).
  • CT Imaging is Crucial for Diagnosis: Utilize CT scans for accurate diagnosis and grading of subdural hematoma (Evidence: Expert opinion 2).
  • Monitor for Complications: Although not detailed, vigilance for complications such as postoperative bleeding and neurological deterioration is essential (Evidence: Expert opinion 2).
  • Radiation Considerations in Interventional Procedures: For patients undergoing interventional neuroradiological procedures, monitor cumulative radiation doses to minimize risks like radiation-induced hair loss (Evidence: Moderate 4).
  • References

    1 Moon RE, Mitchell SJ. Hyperbaric Treatment of Air or Gas Embolism: Current Recommendations. Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc 2025. link 2 Liu R, Liu Q, Ye F, Pang Q, Tang H, Yi K et al.. Endoscope-Assisted Keyhole Surgery for Traumatic Subacute Subdural Hematoma Evacuation in Emergencies. World neurosurgery 2023. link 3 Yıldırım AE, Divanlıoğlu D, Çetinalp NE, Ekici I, Dalgıç A, Belen AD. Endoscopic endonasal removal of a sphenoidal sinus foreign body extending into the intracranial space. Ulusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES 2014. link 4 Gavagan L, Ti J, Thornton J. Is hair loss a reality in neuro-interventional radiology?. Radiation protection dosimetry 2011. link 5 Bilotta F, Ferri F, Giovannini F, Pinto G, Rosa G. Nefopam or clonidine in the pharmacologic prevention of shivering in patients undergoing conscious sedation for interventional neuroradiology. Anaesthesia 2005. link

    Original source

    1. [1]
      Hyperbaric Treatment of Air or Gas Embolism: Current Recommendations.Moon RE, Mitchell SJ Undersea & hyperbaric medicine : journal of the Undersea and Hyperbaric Medical Society, Inc (2025)
    2. [2]
      Endoscope-Assisted Keyhole Surgery for Traumatic Subacute Subdural Hematoma Evacuation in Emergencies.Liu R, Liu Q, Ye F, Pang Q, Tang H, Yi K et al. World neurosurgery (2023)
    3. [3]
      Endoscopic endonasal removal of a sphenoidal sinus foreign body extending into the intracranial space.Yıldırım AE, Divanlıoğlu D, Çetinalp NE, Ekici I, Dalgıç A, Belen AD Ulusal travma ve acil cerrahi dergisi = Turkish journal of trauma & emergency surgery : TJTES (2014)
    4. [4]
      Is hair loss a reality in neuro-interventional radiology?Gavagan L, Ti J, Thornton J Radiation protection dosimetry (2011)
    5. [5]

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